期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 141, 期 48, 页码 18938-18943出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b10358
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资金
- National Key Research and Development Program of China [2017YFA0402800]
- National Natural Science Foundation of China [21971229, 51772285]
- Fundamental Research Funds for the Central Universities
- Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film
Conjugated polymers have attracted much attention for many years and have applications in various organic devices. Carbon nanotubes can be considered as all-carbon tube-shaped conjugated polymers containing only sp(2)-bonded atoms, which play an important role in nanotechnology and nanoelectronics. So far, no study has reported the realization of long pi-conjugated polymers as diameter-specified carbon nanotube segments. Herein, we report the first synthesis of a pi-conjugated polymeric segment (PSI) of armchair single-walled carbon nanotubes (SWCNTs). PSI is achieved by a rationally designed synthesis of a bifunctionalized cyclo-paraphenylene monomer, followed by inserting these ring-shaped units into the conjugated poly(para-phenylene) backbone. PSI was fully characterized by gel permeation chromatography (GPC) combined with NMR, FTIR, and Raman spectra. Possessing unique structural and physical properties, this long pi-extended polymer PSI can provide new insight for the development of bottom-up syntheses of uniform carbon nanotube segments and potential applications in electron- and hole-transport devices.
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